{"product_id":"lamina-scmt09t304nn-scmt09t308nn-lt10-square-turning-insert","title":"Lamina SCMT 09T304 \/ SCMT 09T308 LT10 Carbide Turning Inserts","description":"\u003c!-- Lamina SCMT Turning Inserts Product Detail Page --\u003e\n\u003cstyle\u003e\n  .lamina-wrapper {\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\n    color: #222222;\n    line-height: 1.6;\n    max-width: 1200px;\n    margin: 0 auto;\n    padding: 15px;\n    box-sizing: border-box;\n  }\n  \n  \/* Typography and Section Headers *\/\n  .lamina-h1-title {\n    background-color: #47479F;\n    color: #FFFFFF !important;\n    padding: 24px 20px;\n    border-radius: 8px;\n    font-size: 26px;\n    font-weight: 700;\n    margin-bottom: 25px;\n    text-align: center;\n    box-shadow: 0 4px 12px rgba(71, 71, 159, 0.25);\n  }\n  .lamina-h2-section {\n    color: #FFFFFF !important;\n    background-color: #47479F;\n    padding: 12px 18px;\n    border-radius: 6px;\n    font-size: 20px;\n    font-weight: 600;\n    margin-top: 35px;\n    margin-bottom: 20px;\n  }\n  \n  \/* Containers \u0026 Cards *\/\n  .lamina-box-card {\n    border: 1px solid #E0E0E8;\n    background-color: #FAFAFC;\n    padding: 22px;\n    border-radius: 8px;\n    margin-bottom: 22px;\n  }\n  .lamina-highlight-banner {\n    border-left: 5px solid #47479F;\n    background-color: #F0F0F8;\n    padding: 18px 22px;\n    margin: 22px 0;\n    border-radius: 0 6px 6px 0;\n  }\n  \n  \/* Responsive Tables *\/\n  .lamina-table-responsive {\n    overflow-x: auto;\n    margin-bottom: 25px;\n    -webkit-overflow-scrolling: touch;\n  }\n  .lamina-data-table {\n    width: 100%;\n    border-collapse: collapse;\n    text-align: left;\n    font-size: 14px;\n    min-width: 650px;\n  }\n  .lamina-data-table th {\n    background-color: #47479F;\n    color: #FFFFFF !important;\n    padding: 12px 15px;\n    border: 1px solid #47479F;\n    font-weight: 600;\n  }\n  .lamina-data-table td {\n    padding: 11px 15px;\n    border: 1px solid #E2E2E8;\n  }\n  .lamina-data-table tr:nth-child(even) {\n    background-color: #F4F4FA;\n  }\n\n  \/* ISO Code Breakdown Grid *\/\n  .lamina-code-grid {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n    margin: 20px 0;\n  }\n  .lamina-code-card {\n    border: 2px solid #47479F;\n    background-color: #FFFFFF;\n    padding: 12px 8px;\n    border-radius: 8px;\n    text-align: center;\n    flex: 1 1 100px;\n    box-sizing: border-box;\n  }\n  .lamina-code-card strong {\n    color: #47479F;\n    font-size: 18px;\n    display: block;\n    margin-bottom: 4px;\n  }\n  .lamina-code-card span {\n    font-size: 11px;\n    color: #555555;\n    line-height: 1.3;\n    display: block;\n  }\n\n  \/* Holder Link Callout *\/\n  .lamina-holder-callout {\n    border: 2px dashed #47479F;\n    background-color: #F0F0F8;\n    padding: 18px;\n    border-radius: 8px;\n    text-align: center;\n    margin: 22px 0;\n  }\n  .lamina-holder-callout a {\n    color: #47479F;\n    font-weight: bold;\n    text-decoration: underline;\n    font-size: 16px;\n  }\n\n  \/* Reviews Layout *\/\n  .lamina-reviews-grid {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 15px;\n  }\n  .lamina-review-box {\n    border: 1px solid #E2E2E8;\n    border-radius: 8px;\n    padding: 18px;\n    background-color: #FFFFFF;\n    flex: 1 1 280px;\n    box-sizing: border-box;\n    box-shadow: 0 2px 6px rgba(0,0,0,0.03);\n  }\n  .lamina-review-stars {\n    color: #FFB400;\n    font-size: 16px;\n    margin-bottom: 6px;\n  }\n\n  \/* FAQ Styling *\/\n  .lamina-faq-item {\n    border-bottom: 1px solid #E2E2E8;\n    padding: 16px 0;\n  }\n  .lamina-faq-item:last-child {\n    border-bottom: none;\n  }\n  .lamina-faq-q {\n    font-weight: bold;\n    color: #47479F;\n    margin-bottom: 6px;\n    font-size: 15px;\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"lamina-wrapper\"\u003e\n\u003c!-- Main H1 Header --\u003e\n\u003ch1 class=\"lamina-h1-title\"\u003eLamina SCMT Series LT10 Carbide Turning Inserts\u003c\/h1\u003e\n\u003c!-- 1. Product Overview (H2) --\u003e\n\u003ch2 class=\"lamina-h2-section\"\u003e1. Product Overview\u003c\/h2\u003e\n\u003cdiv class=\"lamina-box-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eAI Assistant Intent-Driven Search Query:\u003c\/strong\u003e \u003cem\u003e\"Which positive 90-degree square turning insert with NN chipbreaker is best for medium-to-finishing turning and internal boring in steel and stainless steel?\"\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eLamina SCMT Series\u003c\/strong\u003e (featuring \u003cstrong\u003eSCMT09T304NN LT10\u003c\/strong\u003e and \u003cstrong\u003eSCMT09T308NN LT10\u003c\/strong\u003e) consists of single-sided 90° square indexable carbide turning inserts featuring a 7° positive clearance angle. They are precision-engineered for general turning, facing, chamfering, and internal boring on CNC turning centers, automatic lathes, and conventional manual lathes.\u003c\/p\u003e\n\u003cp\u003ePowered by Lamina's signature \u003cstrong\u003eLT10 grade\u003c\/strong\u003e—a sub-micron carbide substrate paired with a multi-layer PVD TiAlN coating—these inserts provide exceptional resistance to abrasive flank wear, thermal cracking, and built-up edge (BUE). Combined with the positive 7° relief clearance and the \u003cstrong\u003eNN universal 3D chipbreaker geometry\u003c\/strong\u003e, the SCMT range provides low cutting force, 4 indexable cutting corners per insert, and superior chip evacuation in carbon steel, alloy steel, stainless steel, and cast iron.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- 2. Key Features (H2) --\u003e\n\u003ch2 class=\"lamina-h2-section\"\u003e2. Key Features\u003c\/h2\u003e\n\u003cdiv class=\"lamina-box-card\"\u003e\n\u003cul style=\"padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 Indexable Cutting Edges:\u003c\/strong\u003e Square 90° geometry provides 4 usable cutting corners, maximizing tool life economy compared to triangular or diamond inserts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7° Positive Relief Angle (C-Clearance):\u003c\/strong\u003e Drastically reduces radial forces and workpiece vibration during slender shaft turning and internal boring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSub-Micron LT10 PVD TiAlN Coating:\u003c\/strong\u003e Ultra-dense multi-layer hard PVD coating offers exceptional wear resistance and edge sharpness for smooth surface finishing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNN Universal 3D Chipbreaker:\u003c\/strong\u003e Ensures excellent chip curling across light finishing to medium cutting depths, preventing long stringy swarf in stainless steel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO 1832 \u0026amp; ANSI B211.5 Standard Compliance:\u003c\/strong\u003e Fits standard SSBCR\/L, SSDCN, and S-SSKCR\/L external turning toolholders and internal boring bars.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- 3. Technical Specifications \u0026 Coding (H2) --\u003e\n\u003ch2 class=\"lamina-h2-section\"\u003e3. Technical Specifications \u0026amp; ISO\/ANSI Coding Breakdown\u003c\/h2\u003e\n\u003cdiv class=\"lamina-box-card\"\u003e\n\u003ch3\u003eISO 1832 \u0026amp; ANSI B211.5 Model Code Breakdown\u003c\/h3\u003e\n\u003cp\u003eDecoding every character in the \u003cstrong\u003eSCMT 09T304 \/ 09T308 NN - LT10\u003c\/strong\u003e designation:\u003c\/p\u003e\n\u003c!-- ISO Code Boxes --\u003e\n\u003cdiv class=\"lamina-code-grid\"\u003e\n\u003cdiv class=\"lamina-code-card\"\u003e\n\u003cstrong\u003eS\u003c\/strong\u003e \u003cspan\u003eShape\u003cbr\u003e(Square 90°)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-code-card\"\u003e\n\u003cstrong\u003eC\u003c\/strong\u003e \u003cspan\u003eClearance Angle\u003cbr\u003e(7° Positive)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-code-card\"\u003e\n\u003cstrong\u003eM\u003c\/strong\u003e \u003cspan\u003eTolerance\u003cbr\u003e(Class M Precision)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-code-card\"\u003e\n\u003cstrong\u003eT\u003c\/strong\u003e \u003cspan\u003eFixing \/ Feature\u003cbr\u003e(Countersunk Hole \/ Single Rake)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-code-card\"\u003e\n\u003cstrong\u003e09\u003c\/strong\u003e \u003cspan\u003eCutting Edge Length\u003cbr\u003e(9.525mm \/ 3\/8\")\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-code-card\"\u003e\n\u003cstrong\u003eT3\u003c\/strong\u003e \u003cspan\u003eThickness\u003cbr\u003e(3.97mm \/ 5\/32\")\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-code-card\"\u003e\n\u003cstrong\u003e04 \/ 08\u003c\/strong\u003e \u003cspan\u003eCorner Radius\u003cbr\u003e(0.4mm \/ 0.8mm)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-code-card\"\u003e\n\u003cstrong\u003eNN\u003c\/strong\u003e \u003cspan\u003eChipbreaker\u003cbr\u003e(Neutral Medium\/Finishing)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-code-card\"\u003e\n\u003cstrong\u003eLT10\u003c\/strong\u003e \u003cspan\u003eCarbide Grade\u003cbr\u003e(PVD TiAlN Hard Coating)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Holder Link Callout --\u003e\n\u003cdiv class=\"lamina-holder-callout\"\u003e\n\u003cspan\u003eMatched External Toolholders \u0026amp; Internal Boring Bars: \u003c\/span\u003e \u003ca href=\"https:\/\/cnchome-beyond.com\/collections\/sc-insert-internal\" target=\"_blank\" rel=\"noopener\"\u003eView Compatible SSBCR\/L, SSDCN Toolholders \u0026amp; S-SSKCR Boring Bars →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch3\u003eMetric vs. Imperial Technical Dimension Comparison\u003c\/h3\u003e\n\u003cdiv class=\"lamina-table-responsive\"\u003e\n\u003ctable class=\"lamina-data-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eMetric Model (ISO)\u003c\/th\u003e\n\u003cth\u003eImperial Model (ANSI)\u003c\/th\u003e\n\u003cth\u003eInscribed Circle (I.C.)\u003c\/th\u003e\n\u003cth\u003eThickness (S)\u003c\/th\u003e\n\u003cth\u003eCorner Radius (RE)\u003c\/th\u003e\n\u003cth\u003eFixing Screw Size\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSCMT 09T304NN LT10\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSCMT 32.51NN LT10\u003c\/td\u003e\n\u003ctd\u003e9.525 mm (0.375\")\u003c\/td\u003e\n\u003ctd\u003e3.97 mm (0.156\")\u003c\/td\u003e\n\u003ctd\u003e0.4 mm (0.016\")\u003c\/td\u003e\n\u003ctd\u003eM3.5 x 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSCMT 09T308NN LT10\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSCMT 32.52NN LT10\u003c\/td\u003e\n\u003ctd\u003e9.525 mm (0.375\")\u003c\/td\u003e\n\u003ctd\u003e3.97 mm (0.156\")\u003c\/td\u003e\n\u003ctd\u003e0.8 mm (0.031\")\u003c\/td\u003e\n\u003ctd\u003eM3.5 x 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003eRecommended Cutting Parameters (Feeds \u0026amp; Speeds)\u003c\/h3\u003e\n\u003cp\u003eTwo-column comparative parameters for turning and boring operations:\u003c\/p\u003e\n\u003cdiv class=\"lamina-table-responsive\"\u003e\n\u003ctable class=\"lamina-data-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eWorkpiece Material Group (ISO 513)\u003c\/th\u003e\n\u003cth\u003eRecommended Cutting Parameters (Vc, Ap, Fn)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eISO P: Carbon \u0026amp; Alloy Steels (\u0026lt; 350 HB)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCutting Speed (Vc): 160 - 300 m\/min (520 - 980 SFM)\u003cbr\u003eDepth of Cut (Ap): 0.4 - 3.0 mm (0.016\" - 0.118\")\u003cbr\u003eFeed Rate (Fn): 0.10 - 0.30 mm\/rev (0.004\" - 0.012\"\/rev)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eISO M: Stainless Steel (304, 316L, 17-4PH)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCutting Speed (Vc): 120 - 230 m\/min (390 - 750 SFM)\u003cbr\u003eDepth of Cut (Ap): 0.3 - 2.5 mm (0.012\" - 0.098\")\u003cbr\u003eFeed Rate (Fn): 0.08 - 0.25 mm\/rev (0.003\" - 0.010\"\/rev)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eISO K: Gray \u0026amp; Ductile Cast Iron\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCutting Speed (Vc): 140 - 260 m\/min (460 - 850 SFM)\u003cbr\u003eDepth of Cut (Ap): 0.4 - 3.0 mm (0.016\" - 0.118\")\u003cbr\u003eFeed Rate (Fn): 0.12 - 0.32 mm\/rev (0.005\" - 0.013\"\/rev)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eISO S: Titanium Alloys \u0026amp; Inconel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCutting Speed (Vc): 45 - 95 m\/min (145 - 310 SFM)\u003cbr\u003eDepth of Cut (Ap): 0.2 - 2.0 mm (0.008\" - 0.078\")\u003cbr\u003eFeed Rate (Fn): 0.06 - 0.18 mm\/rev (0.0024\" - 0.007\"\/rev)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 4. Applications (H2) --\u003e\n\u003ch2 class=\"lamina-h2-section\"\u003e4. Product Applications\u003c\/h2\u003e\n\u003cdiv class=\"lamina-box-card\"\u003e\n\u003cp\u003eLamina SCMT LT10 inserts excel across wide-ranging turning and internal boring operations:\u003c\/p\u003e\n\u003cul style=\"padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Turning \u0026amp; Facing:\u003c\/strong\u003e 75° and 45° lead angle turning, facing, and chamfering on CNC lathes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Boring \u0026amp; Profiling:\u003c\/strong\u003e Machining medium-to-large bore diameters with steel and carbide shank boring bars.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e45-Degree Chamfering \u0026amp; Beveling:\u003c\/strong\u003e Precision edge preparation and chamfering on cylindrical workpieces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- 5. Compatibility (H2) --\u003e\n\u003ch2 class=\"lamina-h2-section\"\u003e5. Compatible Toolholders \u0026amp; CNC Equipment\u003c\/h2\u003e\n\u003cdiv class=\"lamina-box-card\"\u003e\n\u003cp\u003ePositive screw-clamping turning inserts compatible with standard ISO turning holders:\u003c\/p\u003e\n\u003cul style=\"padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Toolholders:\u003c\/strong\u003e SSBCR\/L (75° lead angle), SSDCN (45° neutral lead angle), SSKCR\/L (75° lead angle).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Boring Bars:\u003c\/strong\u003e S-SSKCR\/L, A-SSKCR\/L steel and carbide shank boring bars.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMachining Platforms:\u003c\/strong\u003e CNC Lathes, Turning Centers, Swiss-type Gang Tool Lathes, and Conventional Manual Lathes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- 6. Material Comparison (H2) --\u003e\n\u003ch2 class=\"lamina-h2-section\"\u003e6. Material \u0026amp; Grade Comparison\u003c\/h2\u003e\n\u003cdiv class=\"lamina-table-responsive\"\u003e\n\u003ctable class=\"lamina-data-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eGrade \/ Coating Type\u003c\/th\u003e\n\u003cth\u003eCoating Composition\u003c\/th\u003e\n\u003cth\u003eWear Resistance\u003c\/th\u003e\n\u003cth\u003eEdge Sharpness\u003c\/th\u003e\n\u003cth\u003eWorkpiece Focus\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLamina LT10 (Featured)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSub-Micron PVD TiAlN\u003c\/td\u003e\n\u003ctd\u003eVery High\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eUniversal Turning: Steel (P), Stainless (M), Cast Iron (K)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLamina LT20 Grade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThick PVD Coating\u003c\/td\u003e\n\u003ctd\u003eModerate\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eHeavy Interrupted Cuts \u0026amp; Tough Alloy Steels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUncoated Carbide Grade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUncoated Sub-Micron\u003c\/td\u003e\n\u003ctd\u003eModerate\u003c\/td\u003e\n\u003ctd\u003eMaximum\u003c\/td\u003e\n\u003ctd\u003eAluminum Alloys \u0026amp; Non-Ferrous Metals (ISO N)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- 7. Why Choose Us \u0026 Reviews (H2) --\u003e\n\u003ch2 class=\"lamina-h2-section\"\u003e7. Why Choose Lamina \u0026amp; Verified Global Reviews\u003c\/h2\u003e\n\u003cdiv class=\"lamina-box-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eThe Lamina Advantage:\u003c\/strong\u003e Engineered under Swiss and Israeli technical precision standards, Lamina Technologies delivers multi-material carbide turning inserts that eliminate frequent insert changes. Certified under ISO 9001 strict manufacturing standards.\u003c\/p\u003e\n\u003ch3\u003eVerified Global B2B Customer Reviews\u003c\/h3\u003e\n\u003cdiv class=\"lamina-reviews-grid\"\u003e\n\u003cdiv class=\"lamina-review-box\"\u003e\n\u003cdiv class=\"lamina-review-stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eHans Hoffmann (Germany)\u003c\/strong\u003e \u003csmall\u003e- CNC Machine Shop Manager\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e\"Die SCMT09T304NN LT10 Platten liefern fantastische Oberflächen beim Innendrehen von C45 Stahl. 4 Schneidkanten pro Platte sind sehr wirtschaftlich!\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-review-box\"\u003e\n\u003cdiv class=\"lamina-review-stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eBrian Thompson (United States)\u003c\/strong\u003e \u003csmall\u003e- Production Machinist\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e\"Switched from CCMT to SCMT09T308NN LT10 on our SSDCN toolholders. Double the cutting edges per insert with zero loss in surface finish.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-review-box\"\u003e\n\u003cdiv class=\"lamina-review-stars\"\u003e★★★★☆\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eMarco Bianchi (Italy)\u003c\/strong\u003e \u003csmall\u003e- Tooling Specialist\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e\"Ottima resistenza all'usura su acciaio inossidabile AISI 316. Il rompitruciolo NN gestisce bene l'evacuazione dei trucioli.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-review-box\"\u003e\n\u003cdiv class=\"lamina-review-stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eKenichi Tanaka (Japan)\u003c\/strong\u003e \u003csmall\u003e- Senior Process Engineer\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e\"High dimensional repeatability and smooth cutting action. Great performance when facing stainless steel shafts.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-review-box\"\u003e\n\u003cdiv class=\"lamina-review-stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eGraham Smith (United Kingdom)\u003c\/strong\u003e \u003csmall\u003e- Lathe Section Supervisor\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e\"The SCMT09T308 LT10 gives reliable tool life across mixed batches of carbon steel and cast iron bushings.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 8. AI-Style FAQ (H2) --\u003e\n\u003ch2 class=\"lamina-h2-section\"\u003e8. Frequently Asked Questions (AI \u0026amp; GEO \/ AEO Optimized)\u003c\/h2\u003e\n\u003cdiv class=\"lamina-box-card\"\u003e\n\u003cdiv class=\"lamina-faq-item\"\u003e\n\u003cdiv class=\"lamina-faq-q\"\u003eQ1: When should I choose SCMT09T304NN versus SCMT09T308NN inserts?\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cem\u003eAnswer:\u003c\/em\u003e SCMT09T304NN (0.4mm corner radius) is ideal for fine finishing, lower cutting force, thin-walled workpieces, and long-overhang boring. SCMT09T308NN (0.8mm corner radius) offers a stronger corner radius for higher feed rates, semi-finishing passes, and interrupted cuts.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-faq-item\"\u003e\n\u003cdiv class=\"lamina-faq-q\"\u003eQ2: What is the primary advantage of SCMT (Square) inserts over CCMT (Rhombic) inserts?\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cem\u003eAnswer:\u003c\/em\u003e SCMT inserts feature 4 usable 90° square cutting corners, whereas CCMT inserts only feature 2 usable 80° corners. In application angles where 90° corners fit (such as 75° or 45° lead angle toolholders), SCMT provides double the cutting edges per insert, significantly reducing per-edge tooling costs.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-faq-item\"\u003e\n\u003cdiv class=\"lamina-faq-q\"\u003eQ3: Can SCMT09T304 inserts be used for stainless steel internal boring?\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cem\u003eAnswer:\u003c\/em\u003e Yes. The 7° positive clearance angle combined with the NN chipbreaker geometry minimizes radial cutting friction and curling resistance inside bore holes, effectively preventing chatter and chip jamming in stainless steel.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Technical Reference \u0026 Troubleshooting Matrix --\u003e\n\u003cdiv class=\"lamina-highlight-banner\"\u003e\n\u003ch3 style=\"margin-top: 0; color: #47479f;\"\u003eGrade Comparison, Equivalent Models \u0026amp; Troubleshooting Matrix\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eAuthoritative Industry Standards Compliance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"padding-left: 20px; font-size: 13px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO 1832:2017:\u003c\/strong\u003e Indexable inserts for cutting tools — Designation system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eANSI B211.5:\u003c\/strong\u003e Standard identification system for indexable carbide inserts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"border: 0; border-top: 1px solid #CCCCCC; margin: 15px 0;\"\u003e\n\u003cp\u003e\u003cstrong\u003eEquivalent Grade Cross-Reference Matrix:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 13px;\"\u003eLamina LT10 is cross-compatible with: \u003cem\u003eSandvik 2025 \/ 1115, Iscar IC907 \/ IC908, Seco TS2000 \/ CP200, Kennametal KCU10, TaeguTec TT5100, ZCC YBG202 \/ YBG205\u003c\/em\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTroubleshooting Guide:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"padding-left: 20px; font-size: 13px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorkpiece Chatter in Internal Boring:\u003c\/strong\u003e Switch from 0.8mm (08) to 0.4mm (04) corner radius to reduce radial thrust force; reduce depth of cut; ensure boring bar overhang ratio is within 4xD for steel shanks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-Up Edge (BUE) on Stainless Steel:\u003c\/strong\u003e Increase cutting speed (Vc) by 15-20%; apply high-pressure coolant directly to the edge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlank Wear \/ Short Tool Life:\u003c\/strong\u003e Reduce cutting speed (Vc); verify center height on lathe spindle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWorkpiece Material Suitability Matrix:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 12px; background-color: #ffffff; padding: 8px; border-radius: 4px; border: 1px solid #DDDDDD;\"\u003e\u003ccode\u003eISO P (Steel): Superior | ISO M (Stainless Steel): Superior | ISO K (Cast Iron): Good | ISO N (Non-Ferrous): Fair | ISO S (Superalloys): Good\u003c\/code\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- End Lamina Product Detail Page --\u003e","brand":"LAMINA","offers":[{"title":"SCMT09T304NN LT10","offer_id":42569897279660,"sku":"","price":46.28,"currency_code":"USD","in_stock":true},{"title":"SCMT09T308NN LT10","offer_id":42569897312428,"sku":"","price":46.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Lamina_SCMT09T308NN_LT10_turning_insert_with_NN_universal_chipbreaker_geometry.jpg?v=1791159168","url":"https:\/\/cnchome-beyond.com\/products\/lamina-scmt09t304nn-scmt09t308nn-lt10-square-turning-insert","provider":"CNCHome-Beyond","version":"1.0","type":"link"}